Files
MuditaOS/module-audio/Audio/Endpoint.cpp
Marcin Smoczyński a3e512a89b [EGD-6674] Change negotiation of audio block size
Replace faulty implementation which produced ambiguous results with one
which is suited for both phone calls and music playback requirements,
including A2DP and HSP Bluetooth profiles.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>
2021-05-05 21:36:00 +02:00

114 lines
2.1 KiB
C++

// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
#include "Endpoint.hpp"
#include <algorithm>
#include <vector>
#include <cassert> // assert
using audio::AbstractStream;
using audio::Endpoint;
using audio::IOProxy;
using audio::Sink;
using audio::Source;
using audio::StreamConnection;
void Endpoint::connectStream(AbstractStream &stream)
{
assert(_stream == nullptr);
_stream = &stream;
}
void Endpoint::disconnectStream()
{
assert(_stream != nullptr);
_stream = nullptr;
}
bool Endpoint::isConnected() const noexcept
{
return _stream != nullptr;
}
auto Endpoint::isFormatSupported(const AudioFormat &format) -> bool
{
const auto &formats = getSupportedFormats();
return std::find(std::begin(formats), std::end(formats), format) != std::end(formats);
}
StreamConnection::StreamConnection(Source *source, Sink *sink, AbstractStream *stream)
: _sink(sink), _source(source), _stream(stream)
{
assert(_sink != nullptr);
assert(_source != nullptr);
assert(_stream != nullptr);
_sink->connectStream(*_stream);
_source->connectStream(*_stream);
}
StreamConnection::~StreamConnection()
{
destroy();
}
void StreamConnection::destroy()
{
disable();
_sink->disconnectStream();
_source->disconnectStream();
}
void StreamConnection::enable()
{
if (enabled) {
return;
}
_stream->reset();
_sink->enableOutput();
_source->enableInput();
enabled = true;
}
void StreamConnection::disable()
{
if (!enabled) {
return;
}
_source->disableInput();
_sink->disableOutput();
_stream->reset();
enabled = false;
}
bool StreamConnection::isEnabled() const noexcept
{
return enabled;
}
Source *StreamConnection::getSource() const noexcept
{
return _source;
}
Sink *StreamConnection::getSink() const noexcept
{
return _sink;
}
AbstractStream *StreamConnection::getStream() const noexcept
{
return _stream;
}
auto Source::getSourceFormat() -> AudioFormat
{
return audio::nullFormat;
}